	varying float zValue;
	
	void main()
	{
		float far = 100.0;
		gl_FragDepth = zValue/far;
		gl_FragColor = vec4(0.4,0.4,0.8,1.0);
		
		//gl_FragColor = vec4(gl_TexCoord[0].st, 0.0, 1.0);
	}